Inventor · disambiguated record
Naoki Iwaya
Also filed as: IWAYA NAOKI
126 granted patents·5 pending applications·884 citations·filing 2003–2021
99Inventor score
Top patents by PatentIndex Score
131 records- 0199US7466949B2Fixing device having a separation plateRICOH KK·Filed 2005·Granted Dec 16, 2008·61 cites·9 claims
- 0299US7454151B2Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodologyRICOH KK·Filed 2005·Granted Nov 18, 2008·66 cites·12 claims
- 0399US7242897B2Image forming apparatus, roller, belt, and fixing unit of image forming apparatusRICOH KK·Filed 2005·Granted Jul 10, 2007·86 cites·22 claims
- 0498US7313353B2Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unitRICOH KK·Filed 2006·Granted Dec 25, 2007·87 cites·33 claims
- 0598US7127204B2Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unitRICOH KK·Filed 2004·Granted Oct 24, 2006·101 cites·19 claims
- 0698US6882820B2Fixing device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Apr 19, 2005·96 cites·101 claims
- 0797US7239838B2Fixing apparatus and image formation apparatus using sameRICOH KK·Filed 2004·Granted Jul 3, 2007·85 cites·26 claims
- 0896US8588670B2Fixing device having a reflector and image forming apparatus incorporating sameSHIMOKAWA TOSHIHIKO·Filed 2011·Granted Nov 19, 2013·17 cites·8 claims
- 0995US8219016B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Jul 10, 2012·13 cites·19 claims
- 1095US8023861B2Fixing device and image-forming apparatus comprising the sameRICOH CO LTD·Filed 2008·Granted Sep 20, 2011·21 cites·9 claims
- 1194US8886101B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2012·Granted Nov 11, 2014·7 cites·17 claims
- 1294US8725038B2Belt assembly, fixing device, and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2011·Granted May 13, 2014·10 cites·18 claims
- 1394US8364052B2Fixing device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2010·Granted Jan 29, 2013·10 cites·7 claims
- 1493US9031439B2Fixing device and image forming deviceHASE TAKAMASA·Filed 2013·Granted May 12, 2015·7 cites·7 claims
- 1593US8630572B2Fixing device and image forming apparatus including sameFUJIMOTO IPPEI·Filed 2011·Granted Jan 14, 2014·9 cites·10 claims
- 1693US8447220B2Fixing device and image forming apparatus including sameYAMAGUCHI YOSHIKI·Filed 2011·Granted May 21, 2013·8 cites·12 claims
- 1792US9811031B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2015·Granted Nov 7, 2017·4 cites·35 claims
- 1892US9405250B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameOGAWA TADASHI·Filed 2015·Granted Aug 2, 2016·5 cites·8 claims
- 1992US9046838B2Fixing device and image forming apparatusARAI YUJI·Filed 2013·Granted Jun 2, 2015·6 cites·23 claims
- 2092US8498561B2Fixing device and image forming apparatus incorporating same having a reinforcing member including first and second flangesYAMAGUCHI YOSHIKI·Filed 2010·Granted Jul 30, 2013·7 cites·13 claims
- 2191US9026024B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameRICOH CO LTD·Filed 2013·Granted May 5, 2015·5 cites·13 claims
- 2291US8929791B2Fixing device and endless belt assemblyISHII KENJI·Filed 2013·Granted Jan 6, 2015·6 cites·20 claims
- 2391US8682192B2Image forming apparatusIKEBUCHI YUTAKA·Filed 2011·Granted Mar 25, 2014·6 cites·7 claims
- 2491US8311469B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Nov 13, 2012·7 cites·8 claims
- 2590US8385804B2Fixing device and image forming apparatus employing the fixing deviceRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·6 cites·13 claims
- 2690US8213827B2Fixing device, image forming apparatus incorporating same, and fixing methodSHINSHI AKIRA·Filed 2010·Granted Jul 3, 2012·6 cites·9 claims
- 2789US9037008B2Fixing device and image forming apparatus including sameHASE TAKAMASA·Filed 2013·Granted May 19, 2015·4 cites·15 claims
- 2889US8655211B2Fixing device and image forming apparatus incorporating sameFUJIMOTO IPPEI·Filed 2011·Granted Feb 18, 2014·5 cites·16 claims
- 2988US8737878B2Image forming apparatus including removable fixing deviceYAMAGUCHI YOSHIKI·Filed 2011·Granted May 27, 2014·5 cites·5 claims
- 3088US8406647B2Fixing device including a radiation member to cool a fixing member and a heat conductive memberSHINSHI AKIRA·Filed 2010·Granted Mar 26, 2013·5 cites·8 claims
- 3187US9069304B2Image forming apparatusSESHITA TAKUYA·Filed 2013·Granted Jun 30, 2015·4 cites·18 claims
- 3287US8437675B2Fixing device and image forming apparatus incorporating same having a laminated heater with a flexible heat generation sheetISHII KENJI·Filed 2010·Granted May 7, 2013·5 cites·14 claims
- 3386US8676101B2Fixing device having metal pipe with rough section and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Mar 18, 2014·4 cites·7 claims
- 3486US8401448B2Fixing device and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2010·Granted Mar 19, 2013·4 cites·19 claims
- 3585US9207596B2Image forming apparatus including a fixing deviceRICOH CO LTD·Filed 2014·Granted Dec 8, 2015·2 cites·18 claims
- 3685US8953994B2Fixing device and image forming apparatus incorporating sameIWAYA NAOKI·Filed 2012·Granted Feb 10, 2015·3 cites·8 claims
- 3785US8655246B2Fixing device and image forming apparatus incorporating sameTOKUDA TETSUO·Filed 2011·Granted Feb 18, 2014·4 cites·17 claims
- 3884US10935911B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameRICOH CO LTD·Filed 2017·Granted Mar 2, 2021·1 cites·57 claims
- 3984US9221661B2Pressure adjuster, fixing device, and image forming apparatusMIMBU RYUUICHI·Filed 2014·Granted Dec 29, 2015·3 cites·20 claims
- 4084US9152106B2Fixing device and image forming apparatus including sameYAMAGUCHI YOSHIKI·Filed 2013·Granted Oct 6, 2015·3 cites·16 claims
- 4184US8855506B2Image forming apparatusHASE TAKAMASA·Filed 2013·Granted Oct 7, 2014·2 cites·8 claims
- 4283US9128426B2Fixing device and image forming apparatus including sameRICOH CO LTD·Filed 2013·Granted Sep 8, 2015·2 cites·18 claims
- 4383US9008558B2Separator and separation device, fixing device, and image forming apparatus incorporating sameSAITO KAZUYA·Filed 2012·Granted Apr 14, 2015·3 cites·20 claims
- 4482US8903296B2Fixing device and image forming apparatus incorporating sameSHIMOKAWA TOSHIHIKO·Filed 2011·Granted Dec 2, 2014·3 cites·8 claims
- 4582US8682218B2Fixing device and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2011·Granted Mar 25, 2014·3 cites·8 claims
- 4682US8655244B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Feb 18, 2014·3 cites·13 claims
- 4782US8472855B2Fixing device and image forming apparatus incorporating sameSHINSHI AKIRA·Filed 2011·Granted Jun 25, 2013·3 cites·11 claims
- 4882US8428502B2Belt-type fixing device and image forming apparatus using sameTOKUDA TETSUO·Filed 2010·Granted Apr 23, 2013·3 cites·12 claims
- 4982US8391743B2Fixing device and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2010·Granted Mar 5, 2013·3 cites·17 claims
- 5081US9599934B2Image forming apparatus having an angle adjuster for a tiltable support rollerHOZUMI YOSHIKI·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
Showing the top 50 of 131 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →